Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Flywheel Runout Check
    Special Tool(s) Dial Indicator/Magnetic Base 100-D002 (D78P-4201-B) or equivalent 1. Mount the special tool so that the indicator contact point rides on the clutch disc contact surface. 2. Turn the flywheel (6375); if the runout exceeds the ...

    Inspection and Verification
    WARNING: Never remove the pressure relief cap while the engine is operating or when the cooling system is hot. Failure to follow these instructions can result in damage to the cooling system or engine or personal injury. To avoid having scalding hot coolant ...

    Clutch Pedal - Quadrant and Pawl Assembly
    Removal 1. Disconnect the battery ground cable (14301). 2. Loosen the nut from inside the engine compartment. 3. Loosen the nuts from inside the vehicle. 4. Loosen the screw. 5. Disconnect the brake pedal position (BPP) switch electrical connector. ...